Ключевые слова: antenna, background, bandwidth, black, button, call, channel, choice, communicate, communication, device, different, electronic, equipment, exhibition, frequency, handheld, many, military, mobile, mobility, object, personal, phone, police, portable, professional, radio, receive, receiver, remote, repeater, safety, security, set, speaker, system, table, talk, talkie, talking, talky, technology, transceiver, transmit, transmitter, walkie, walkietalkie, wave, wireless,